3 years ago

Are these two ratios proportional? 2/5 and 3/4 Yes or no?

Mathematics

1 answer:

Alik [6]3 years ago

4 0

Yes it is , hope it helped

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Solve for x <br>4^x/9^x=½<br>

kirill115 [55]

Answer:

x = 0.85476

Step-by-step explanation:

4ˣ/9ˣ=½

9ˣ / 4ˣ = 2

(9/4)ˣ = 2

2.25ˣ = 2 .... aⁿ = x logₐx = n

log₂.₂₅2 = x

x = 0.85476

3 0

3 years ago

Simplify. Write your answer using whole numbers and variables.

Andre45 [30]

Answer:

q + 7

Step-by-step explanation:

(q² + 4q − 21) / (q − 3)

Factor the numerator:

(q + 7) (q − 3) / (q − 3)

Divide:

q + 7

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3 years ago

The graph of a transformed parabola (green) is

tino4ka555 [31]

The vertex is (-4,5)

7 0

3 years ago

Find the square: (5x - 4y)2 <br><br> (and please put the process of solving the equation)

satela [25.4K]

$(5x-4y)^2$
$(5x-4y)(5x-4y)$

Multiply each term in one bracket in turn by the terms in the other bracket

$(5x)(5x) = 25x^2$
$(5x)(-4y)=-20xy$
$(-4y)(5x)=-20xy$
$(-4y)(-4y)=16y^2$

Put them together we have
$25x^2-20xy-20xy-16y^2$
$25x^2-40xy-16y^2$

7 0

3 years ago

A wedding planner purchased both small and large lanterns for a wedding reception. The planner purchased a total of 40 lanterns

Olegator [25]

Answer:

The wedding planner must have purchased 28 small lanterns and 12 large lanterns.

Step-by-step explanation:

8 0

2 years ago